NPIMap

Individual provider Active NPI

Katherine Abigail Wittmer, APRN

  • Acute Care Nurse Practitioner
  • Louisville, KY
National Provider Identifier
1164164679
Registry record updated Feb 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
3017460 Issued in KY
Practice address
1941 Bishop LN Ste 200
Louisville, KY 40218-1973
Phone
(502) 888-1988
Fax
(502) 452-6577
NPI assigned
Apr 13, 2022
Last updated
Feb 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 16, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X 3017460 KY Primary

Addresses

Primary practice location

1941 Bishop LN Ste 200
Louisville, KY 40218-1973

Mailing address

PO Box 381468
Germantown, TN 38183-1468

Other practice location 1

438 Adam Shepherd Pkwy
Shepherdsville, KY 40165-6742
Phone (502) 888-1988

Other practice location 2

170 Dr Arla Way Ste 101
Louisville, KY 40229-5427
Phone (502) 888-1988

Other identifiers 2

IdentifierTypeStateIssuer
300062317MedicaidIN
7100827480MedicaidKY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in KY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220620000456 KY Practitioner - Nurse Practitioner 5092194233 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gastroenterology Health Partners PLLCGroup PAC ID 0840443636, 28 clinicians

Practice addresses (Care Compare)

438 Adam Shepherd Pkwy
Shepherdsville, KY 40165-6640
Phone (502) 888-1988

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
81.11 of 100Reported as group
Quality
63.34
Promoting interoperability
100
Improvement activities
40
Cost
73.68

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Gastroenterology Health Partners, PLLC Acute Care CurrentSince Jul 8, 2024 Accepting new patients

Locations

170 Dr Arla Way
Ste 101
Louisville, KY 40229
Phone (502) 888-1988

1941 Bishop Ln
Louisville, KY 40218
Phone (502) 375-3242

1941 Bishop Ln
Ste 200
Louisville, KY 40218
Phone (502) 452-9567

2401 Terra Crossing Blvd
Ste 410
Louisville, KY 40245
Phone (502) 452-9567

4001 Kresge Way
Ste 325
Louisville, KY 40207
Phone (502) 245-5767

438 Adam Shepherd Pkwy
Shepherdsville, KY 40165
Phone (502) 888-1988

438 Adam Shepherd Pkwy
Ste 1
Shepherdsville, KY 40165
Phone (502) 543-1055

65 Germantown Ct
Ste 300
Cordova, TN 38018

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1649808000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1164164679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 381468",
            "city": "GERMANTOWN",
            "state": "TN",
            "postal_code": "381831468"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1941 BISHOP LN STE 200",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402181973",
            "telephone_number": "502-888-1988",
            "fax_number": "502-452-6577"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "438 Adam Shepherd Pkwy",
            "address_purpose": "LOCATION",
            "city": "Shepherdsville",
            "state": "KY",
            "postal_code": "401656742",
            "country_code": "US",
            "telephone_number": "502-888-1988",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "170 Dr Arla Way Ste 101",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402295427",
            "country_code": "US",
            "telephone_number": "502-888-1988",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WITTMER",
        "first_name": "KATHERINE",
        "middle_name": "ABIGAIL",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-13",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "KY",
            "license": "3017460",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300062317",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7100827480",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Louisville, KY

Sources for this page

Verify at the official NPI Registry.